天建寺 PC 斜張橋のケーブルの局部振動解析

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  • テンケンジ PC シャチョウキョウ ノ ケーブル ノ キョクブ シンドウ カイセキ
  • Response Characteristics on Local Vibrations of Stay Cables in Tenkenji PC Cable-stayed Bridge

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Abstract

Local parametric vibrations of stay cables in Tenkenji PC cable-stayed bridge are studied in the present paper. Natural frequencies of the global modes are obtained by using the three dimensional FEM model and the global motions under the excitation using the exciter, traffic loading and earthquakes are evaluated by using the method of modal analysis. The local parametric vibrations of the stay cables, which are subjected to time-varying displacement at a support during global motions, are obtained and the properties of the local vibrations are discussed

長崎大学工学部研究報告 Vol.31(56) p.87-93, 2001

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